BLK vs PYPL: Correlation
Measured on weekly returns over the past three years, BlackRock (BLK) and PayPal (PYPL) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLK and PYPL?
Over the past 3 years, BLK and PYPL moved with a correlation of 0.48, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.31 versus 0.48 over 3 years. Over 5 years the correlation is 0.56, and the annualized covariance of weekly returns is 443.2 %².
By 3-year correlation, PYPL places #29 of the 42 assets tracked against BLK. Their recent paths diverged sharply: over the last 12 months BLK outperformed by 16.3 percentage points (+5.3% for BLK against -11.0% for PYPL). Across three years, the rolling one-year figure varied moderately, from 0.28 to 0.74. Note the risk asymmetry: PYPL runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
BLK vs PYPL: side by side
| BLK (BlackRock) | PYPL (PayPal) | |
|---|---|---|
| 1-year return | +5.3% | -11.0% |
| 5-year return | +38.9% | -78.5% |
| Volatility (ann.) | 24.7% | 37.1% |
| Beta vs S&P 500 | 1.19 | 1.15 |
| Max drawdown (3Y) | -23.7% | -57.3% |
| Market cap | $189.7B | $52.6B |
| P/E (trailing) | 28.1 | 11.7 |
| Dividend yield | 1.86% | 0.91% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BLK | PYPL |
|---|---|---|
| 2022 | -20.4% | -62.2% |
| 2023 | +17.9% | -13.8% |
| 2024 | +29.3% | +39.0% |
| 2025 | +6.6% | -31.4% |
| 2026 | +10.3% | +6.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLK and PYPL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BLK and PYPL?
As of 2026-08-27, the correlation of weekly returns between BLK and PYPL is 0.48 over 3 years, 0.31 over 1 year and 0.56 over 5 years.
Is PYPL a good diversifier for BLK?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/blk-vs-pypl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/blk-vs-pypl/)
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Related comparisons
Hubs: BLK correlations · PYPL correlations
